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Description

A flaw was found in GIMP. An integer overflow vulnerability exists when processing ICO image files, specifically in the `ico_read_info` and `ico_read_icon` functions. This issue arises because a size calculation for image buffers can wrap around due to a 32-bit integer evaluation, allowing oversized image headers to bypass security checks. A remote attacker could exploit this by providing a specially crafted ICO file, leading to a buffer overflow and memory corruption, which may result in an application level denial of service.

PUBLISHED Reserved 2026-02-10 | Published 2026-03-26 | Updated 2026-04-03 | Assigner redhat




MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Problem types

Integer Overflow or Wraparound

Product status

Default status
unknown

Default status
affected

Default status
affected

Default status
affected

Timeline

2026-02-10:Reported to Red Hat.
2026-02-10:Made public.

Credits

Red Hat would like to thank Dhiraj Mishra for reporting this issue.

References

gitlab.gnome.org/GNOME/gimp/-/issues/15617 exploit

bugzilla.redhat.com/show_bug.cgi?id=2438428 exploit

access.redhat.com/security/cve/CVE-2026-2272 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2438428 (RHBZ#2438428) issue-tracking

gitlab.gnome.org/GNOME/gimp/-/issues/15617

cve.org (CVE-2026-2272)

nvd.nist.gov (CVE-2026-2272)

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